# CarbonSix funding: rounds and investors

> CarbonSix has raised $32M across 2 rounds since 2025. Investors include Storm Ventures and Foothill Ventures. Every round with its source.

Source: https://millionrounds.com/company/carbonsix (Millionrounds; every figure on the page links to its filing or article)

South Korea · [Seed startup](https://millionrounds.com/companies)

# Who invested in *CarbonSix*

2 rounds we have observed, with the 2 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Robotics

Raised 6 months ago

Funding summary Updated 26 Oct 2026

**$32M** raised across 2 rounds since 2025, from 2 sources

**$4.3M** Seed **$28M** Round

- **Latest round:** Round, $28M Apr 2026
- **Step-up i:** 6.5×
- **Investors:** 2

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2026

**$4.3M** Seed

**$28M** Round

- **First round:** Seed, $4.3M
- **Biggest round:** $28M
- **Between rounds:** 11 months

## The rounds

- **Apr 2026** Round **$28M** No investor was named in the report. Filed with the SEC (Form D); no report of this raise yet SEC filing: $28M sold, first sale Apr 2026
- **May 2025** Seed **$4.3M** *2 new* [Storm Ventures](https://millionrounds.com/fund/storm-ventures) [Foothill Ventures](https://millionrounds.com/fund/foothill-ventures) Source recorded

## Founders and team

From CarbonSix's own website: 4 founders.

**Terry Moon** CEO & Co-Founder

**H.J. Terry Suh Ph.D.** CTO & Co-Founder

**Hunmin Cho** CPO & Co-Founder

**Jehyeok Kim Ph.D.** CHO & Co-Founder

Advisers *Russ Tedrake Ph.D.*

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Seed** 2025 **Round** 2026 [Storm Ventures](https://millionrounds.com/fund/storm-ventures) [Foothill Ventures](https://millionrounds.com/fund/foothill-ventures)

## Everyone who backed them

[Storm Ventures](https://millionrounds.com/fund/storm-ventures) VC firm **1** round

[Foothill Ventures](https://millionrounds.com/fund/foothill-ventures) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=carbonsix).

## Quick answers about CarbonSix

### Who invested in CarbonSix?

CarbonSix's investors include Storm Ventures and Foothill Ventures.

### How much has CarbonSix raised?

CarbonSix has raised $32M across 2 rounds since 2025.

### When did CarbonSix last raise?

CarbonSix's most recent round, $28M, was in Apr 2026.

### What was CarbonSix's biggest round?

Its most recent round, $28M in Apr 2026, is also its largest on record.

### Who backed CarbonSix first?

CarbonSix's first round on record, in May 2025, was backed by Storm Ventures and Foothill Ventures.

### What stage is CarbonSix at?

CarbonSix's latest named round is a Seed, in May 2025.

### Where is CarbonSix based?

CarbonSix is based in South Korea.

## Companies like CarbonSix

In the same sector, and raised in the last eighteen months.

[**CCK Solution** Oct 2026](https://millionrounds.com/company/cck-solution)[**WIRobotics** $78M · May 2026](https://millionrounds.com/company/wirobotics)[**Xpanner** $29M · May 2026](https://millionrounds.com/company/xpanner)[**Paar Autonomy** $1.4M · Oct 2026](https://millionrounds.com/company/paar-autonomy)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)

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